南京林业大学学报（自然科学版）

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 1994, Vol. 18 ›› Issue (01): 36-38.doi: 10.3969/j.jssn.1000-2006.1994.01.007

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STUDIES ON TANNINS FROM BARKS OF PINUS ELLIOTTII AND PINUS YUNNANENSIS

Cheng Congqiu;Feng Huiming;Sun Da wang;Ma Wenxiu(Naming Forestry University)Lai Yeap Foo Herbert Wong   

  1. Chemistry Division, DSIR, New Zealand
  • Online:1994-03-18 Published:1994-02-18

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Abstract: Chemical constitution of tannins from domestic barks of Pinus elliottii and Pinus yunnanensis were first studied to be polymeric procyanidins,which are constituted mainly by unitS with 2,3-Cisconfiguration in that of P. elliottil,and of 2,3-trans configuration in that of P.yunnanensis.Molecular weight.Stiasny value and gel time of tannins were also Studied.

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